/* Quiz site (www.appslacarte.com/quiz) - clean, light, purple accent */

:root {
    --quiz-bg: #f7f6fb;
    --quiz-surface: #ffffff;
    --quiz-border: #e6e3ef;
    --quiz-text: #23202e;
    --quiz-muted: #6b6780;
    --quiz-primary: #5b3cc4;
    --quiz-primary-hover: #4a2fa8;
    --quiz-primary-soft: #efebfb;
    --quiz-accent: #ffb703;
    --quiz-success: #13795b;
    --quiz-success-soft: #e3f5ee;
    --quiz-error: #b42318;
    --quiz-error-soft: #fdecea;
    --quiz-warning: #9a6700;
    --quiz-warning-soft: #fff4d6;
    --quiz-radius: 12px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
}

body.quiz {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--quiz-bg);
    color: var(--quiz-text);
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
}

.quiz a {
    color: var(--quiz-primary);
    text-decoration: none;
}

    .quiz a:hover {
        text-decoration: underline;
    }

.quiz h1, .quiz h2, .quiz h3 {
    line-height: 1.25;
}

.quiz-muted {
    color: var(--quiz-muted);
}

.quiz-prewrap {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.quiz-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

/* ---------- Header ---------- */
.quiz-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    padding: 14px 32px;
    background: var(--quiz-surface);
    border-bottom: 1px solid var(--quiz-border);
}

.quiz-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 700;
    color: var(--quiz-text) !important;
    text-decoration: none !important;
}

    .quiz-brand em {
        font-style: normal;
        font-weight: 400;
        color: var(--quiz-primary);
    }

.quiz-brand-mark {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--quiz-primary);
    color: #fff;
    font-size: 19px;
}

.quiz-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

    .quiz-nav a {
        padding: 7px 14px;
        border-radius: 8px;
        color: var(--quiz-muted);
        font-weight: 500;
        text-decoration: none !important;
    }

        .quiz-nav a:hover {
            color: var(--quiz-text);
            background: var(--quiz-bg);
        }

        .quiz-nav a.active {
            color: var(--quiz-primary);
            background: var(--quiz-primary-soft);
        }

/* ---------- Main ---------- */
.quiz-main {
    flex: 1 1 auto;
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    padding: 32px 24px 56px;
}

.quiz-page-head {
    margin-bottom: 24px;
}

    .quiz-page-head h1 {
        margin: 0 0 4px;
        font-size: 30px;
    }

    .quiz-page-head p {
        margin: 0;
        color: var(--quiz-muted);
    }

.quiz-panel {
    margin-bottom: 20px;
    padding: 24px;
    border: 1px solid var(--quiz-border);
    border-radius: var(--quiz-radius);
    background: var(--quiz-surface);
}

.quiz-panel-title {
    margin: 0 0 16px;
    font-size: 24px;
}

.quiz-narrow {
    max-width: 520px;
    margin: 24px auto;
}

.quiz-split {
    display: grid;
    gap: 20px;
    align-items: start;
}

@media (min-width: 820px) {
    .quiz-split {
        grid-template-columns: 280px 1fr;
    }
}

.quiz-steps h2 {
    margin: 0 0 12px;
    font-size: 17px;
}

.quiz-steps ol {
    margin: 0;
    padding-left: 20px;
    color: var(--quiz-muted);
}

    .quiz-steps ol li + li {
        margin-top: 8px;
    }

/* ---------- Home ---------- */
.quiz-hero {
    padding: 48px 32px;
    border-radius: var(--quiz-radius);
    background: var(--quiz-primary);
    color: #fff;
    text-align: center;
}

    .quiz-hero h1 {
        margin: 0 0 10px;
        font-size: clamp(28px, 5vw, 44px);
    }

        .quiz-hero h1 span {
            color: var(--quiz-accent);
        }

    .quiz-hero p {
        margin: 0;
        font-size: 18px;
        opacity: 0.9;
    }

.quiz-topics h2 {
    margin: 40px 0 16px;
    font-size: 22px;
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.quiz-card {
    display: block;
    padding: 24px;
    border: 1px solid var(--quiz-border);
    border-radius: var(--quiz-radius);
    background: var(--quiz-surface);
    color: var(--quiz-text) !important;
    text-decoration: none !important;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

    .quiz-card:hover {
        border-color: var(--quiz-primary);
        box-shadow: 0 6px 20px rgba(91, 60, 196, 0.12);
    }

    .quiz-card h3 {
        margin: 10px 0 6px;
        font-size: 19px;
    }

    .quiz-card p {
        margin: 0 0 14px;
        color: var(--quiz-muted);
        font-size: 15px;
    }

.quiz-card-icon {
    font-size: 30px;
}

.quiz-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    background: var(--quiz-primary-soft);
    color: var(--quiz-primary);
    font-size: 13px;
    font-weight: 600;
}

/* ---------- Forms ---------- */
.quiz-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.quiz-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

    .quiz-field label {
        font-weight: 600;
        font-size: 14px;
    }

.quiz input, .quiz select, .quiz textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cfcadf;
    border-radius: 8px;
    background: #fff;
    color: var(--quiz-text);
    font: inherit;
}

.quiz textarea {
    resize: vertical;
}

.quiz input[readonly] {
    background: var(--quiz-bg);
    color: var(--quiz-muted);
}

.quiz input:focus, .quiz select:focus, .quiz textarea:focus {
    outline: none;
    border-color: var(--quiz-primary);
    box-shadow: 0 0 0 3px var(--quiz-primary-soft);
}

.quiz-field-hint {
    color: var(--quiz-muted);
    font-size: 13px;
}

.quiz-field-error {
    color: var(--quiz-error);
    font-size: 14px;
}

    .quiz-field-error:empty {
        display: none;
    }

.quiz-button {
    display: inline-block;
    align-self: flex-start;
    padding: 10px 22px;
    border: 1px solid var(--quiz-primary);
    border-radius: 8px;
    background: var(--quiz-primary);
    color: #fff !important;
    font: inherit;
    font-weight: 600;
    text-decoration: none !important;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

    .quiz-button:hover:not(:disabled) {
        background: var(--quiz-primary-hover);
    }

    .quiz-button:disabled {
        opacity: 0.45;
        cursor: not-allowed;
    }

.quiz-button-secondary {
    background: var(--quiz-surface);
    color: var(--quiz-primary) !important;
}

    .quiz-button-secondary:hover:not(:disabled) {
        background: var(--quiz-primary-soft);
    }

.quiz-search {
    display: flex;
    gap: 10px;
}

    .quiz-search input {
        flex: 1 1 auto;
    }

.quiz-gate {
    max-width: 440px;
    margin: 24px auto;
    text-align: center;
}

    .quiz-gate h2 {
        margin: 0 0 6px;
        font-size: 20px;
    }

    .quiz-gate p {
        color: var(--quiz-muted);
    }

    .quiz-gate .g-recaptcha {
        display: inline-block;
        margin-top: 8px;
    }

/* ---------- Alerts & status ---------- */
.quiz-alert {
    margin: 0 0 16px;
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--quiz-primary-soft);
    color: var(--quiz-text);
}

.quiz-alert-error {
    background: var(--quiz-error-soft);
    color: var(--quiz-error);
}

.quiz-alert-success {
    background: var(--quiz-success-soft);
    color: var(--quiz-success);
    font-weight: 600;
}

.quiz-issue-id {
    margin: 12px 0;
    padding: 12px 16px;
    border: 1px dashed var(--quiz-primary);
    border-radius: 8px;
    background: var(--quiz-primary-soft);
    font-family: Consolas, "Cascadia Mono", monospace;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    overflow-wrap: anywhere;
    user-select: all;
}

.quiz-issue-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 14px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--quiz-border);
}

    .quiz-issue-head h2 {
        margin: 0;
        font-size: 19px;
    }

    .quiz-issue-head .quiz-muted {
        font-size: 13px;
        overflow-wrap: anywhere;
    }

.quiz-issue h3 {
    margin: 18px 0 4px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--quiz-muted);
}

.quiz-issue p {
    margin: 0;
}

.quiz-status {
    padding: 3px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}

.quiz-status-resolved {
    background: var(--quiz-success-soft);
    color: var(--quiz-success);
}

.quiz-status-open {
    background: var(--quiz-warning-soft);
    color: var(--quiz-warning);
}

/* ---------- Study links ---------- */
.quiz-links {
    padding: 0;
}

    .quiz-links summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 18px 24px;
        font-weight: 600;
        font-size: 17px;
        cursor: pointer;
    }

        .quiz-links summary::-webkit-details-marker {
            display: none;
        }

    .quiz-links summary {
        list-style: none;
        border-radius: var(--quiz-radius);
        transition: background 0.15s ease, color 0.15s ease;
    }

        .quiz-links summary:hover {
            background: var(--quiz-bg);
        }

    .quiz-links-count {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .quiz-chevron {
        color: var(--quiz-muted);
        transition: transform 0.2s ease;
    }

    /* Open subject: solid subject line, tinted link list in a contrasting colour */
    .quiz-links[open] {
        overflow: hidden;
        border-color: var(--quiz-primary);
    }

        .quiz-links[open] summary {
            border-radius: 0;
            background: var(--quiz-primary);
            color: #fff;
        }

        .quiz-links[open] .quiz-chevron {
            color: #fff;
            transform: rotate(180deg);
        }

        .quiz-links[open] .quiz-badge {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .quiz-links[open] ul,
        .quiz-links[open] > p {
            background: var(--quiz-primary-soft);
        }

        .quiz-links[open] li a {
            color: var(--quiz-primary);
            font-weight: 600;
        }

            .quiz-links[open] li a:hover {
                color: var(--quiz-primary-hover);
                text-decoration: underline;
            }

        .quiz-links[open] li + li {
            border-top-color: rgba(91, 60, 196, 0.15);
        }

    .quiz-links ul {
        margin: 0;
        padding: 8px 24px 16px;
        list-style: none;
    }

    .quiz-links li {
        padding: 10px 0;
    }

        .quiz-links li + li {
            border-top: 1px solid var(--quiz-border);
        }

        .quiz-links li p {
            margin: 2px 0 0;
            font-size: 14px;
        }

    .quiz-links > p {
        margin: 0;
        padding: 16px 24px;
    }

/* ---------- Text pages ---------- */
.quiz-prose h2 {
    margin: 24px 0 6px;
    font-size: 18px;
}

.quiz-prose > :first-child {
    margin-top: 0;
}

/* ---------- Footer ---------- */
.quiz-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 24px;
    padding: 20px 32px;
    border-top: 1px solid var(--quiz-border);
    background: var(--quiz-surface);
    color: var(--quiz-muted);
    font-size: 14px;
}

.quiz-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

    .quiz-footer-links a {
        color: var(--quiz-muted);
    }